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參數(shù)資料
| 型號(hào)： | AT43USB355E-AC |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| 中文描述： | 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數(shù)： | 40/115頁 |
| 文件大?。?/td> | 610K |
| 代理商： | AT43USB355E-AC |
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40
AT43USB355
2603G–USB–04/06
8-bit
Timer/Counter0
The 8-bit Timer/Counter0 can select clock source from CK, prescaled CK or an external pin. In
addition it can be stopped as described in the specification for the Timer/Counter0 Control
Register (TCCR0). The overflow status flag is found in the Timer/Counter Interrupt Flag Regis-
ter (TIFR). Control signals are found in the Timer/Counter0 Control Register (TCCR0). The
interrupt enable/disable settings for Timer/Counter0 are found in the Timer/Counter Interrupt
Mask Register - TIMSK.
When Timer/Counter0 is externally clocked, the external signal is synchronized with the oscil-
lator frequency of the CPU. To assure proper sampling of the external clock, the minimum
time between two external clock transitions must be at least one internal CPU clock period.
The external clock signal is sampled on the rising edge of the internal CPU clock.
The 8-bit Timer/Counter0 features both a high resolution and a high accuracy usage with the
lower prescaling opportunities. Similarly, the high prescaling opportunities make the
Timer/Counter0 useful for lower speed functions or exact timing functions with infrequent
actions.
Figure 13.
Timer/Counter0 Block Diagram
Control
Logic
Timer/Counter0
(TCNT0)
Timer Int. Mask Register
(TIMSK)
Timer Int. Flag Register
(TIFR)
T/C0 Control Register
(TCCR0)
T
O
O
T
T
T
O
O
I
T
C
C
C
T/C Clock Source
T
7
0
CK
T0
T/C0
Overflow IRQ
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT43USB355E-AU | 功能描述:8位微控制器 -MCU USB GAME CONTROL w/ EMBED HUB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT43USB355M-AC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355M-AU | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB370 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor |
| AT43USB370E-AC | 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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